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25100 Marguerite Parkway, Suite A, Mission Viejo, CA 92692
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    • Hee Yon Koh, DMD
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Welcome to Hee Yon Koh, DMD

At our practice, we go the extra mile to provide a comfortable experience for you and the ones you love. We understand that many have anxiety about visiting the dentist. Dr. Hee Yon (Clara) Koh offers gentle and comprehensive dental treatment for patients of all ages.

With over a decade of experience and advanced clinical skills, Dr. Koh has developed a reputation for excellence among her patients. She earned her dental degree at the University of Medicine and Dentistry of New Jersey and completed her advanced residency at the prestigious Columbia University Presbyterian Hospital in New York. During her training, she focused on leading-edge techniques in restorative, implant, and cosmetic dentistry. Dr. Koh makes the latest services available to her patients, including:

  • Cosmetic services to enhance the beauty of your smile
  • Sedation dentistry for your peace of mind
  • Same day emergency treatment

We are committed to providing the very best in modern dental care. Our biologically friendly practice is equipped with state-of-the-art technology and materials, including advanced imaging technology to reduce radiation exposure and the safest mercury-free restorations for your smile.

Coordinating an efficient and affordable experience is part of our unwavering commitment to your well-being. We offer flexible scheduling including evening hours on Mondays and Wednesdays, as well as Saturday availability by appointment. We participate with all PPO insurances, as well as Liberty Medicare plans, California Dental Network, Delta Care USA, and Liberty HMO. If you have no dental insurance, ask us about our very affordable in-house plan!

Thank you for choosing the office of Hee Yon (Clara) Koh, DMD. To learn more about our services or to book an appointment, give us a call or Request an Appointment today!

Perfect example of a good neighborhood dentist. The staff is amazing and make me feel welcomed and at home. There is always a smile and they treat me with kindness. Dr. Koh is great at what she does. She's professional but amicable and has a very gentle touch. I hate dental work, but at this office, I have no fear.



Our Hours

monday 9:00am - 6:00pm
tuesday 8:00am - 5:00pm
wednesday 10:00am - 7:00pm
thursday 9:00am - 5:00pm
friday Closed
saturday Closed
sunday Closed

Don't wait. Book an Appointment Now!

With a quick phone call or form submission you could be on your way to a brighter, healthier smile. Click the button below to begin your journey.

Request an Appointment